Sunstar 520 Steel Rear Sprocket

Was $37.95 - $49.95 $34.99 - $44.99 You save up to $4.96 (10%)

Rating 4.41 of 5 (19 Reviews)

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Product Information

Sunstar 520 Steel Rear Sprocket
  • Constructed of the highest-quality 1045 high-carbon steel
  • Exclusive heat treatment and quenching process for strength and durability
  • The strongest, longest-lasting steel replacement sprocket available
  • Nearly all motorcycles come equipped from the factory with this sprocket
  • This sprocket is designed for a stock 520 chain or conversion to 520 from larger sizes
**Note: Bike specific, item may vary from image.

**Closeouts are limited to stock on hand**
  • Item # 18219
  • SKU #
  • Mfr. Part #

FitmentView All

Beta Models

  • 250 RR : 2006
  • 350 RR : 2012
  • 400 RR : 2006, 2008–2012
  • 450 RR : 2006, 2008–2012
  • 498 RR : 2012
  • 520 RR : 2010–2011
  • 525 RR : 2006, 2008–2009

Gas Gas Models

  • EC125 : 2003–2006, 2008–2010
  • EC200 : 2003–2005, 2009–2010
  • EC250 : 2001–2005, 2007, 2009–2010
  • EC300 : 2001–2005, 2007, 2009–2010
  • FSE400 : 2003
  • FSE450 : 2003
  • SM400 : 2003
  • SM450 : 2003–2006, 2009

Honda Models

  • CR250R : 2000, 2002–2003
  • CRF150F : 2014–2016
  • CRF230F : 2014–2016
  • CRF250R : 2004–2017
  • CRF250X : 2004–2006, 2012
  • CRF450R : 2002–2016
  • CRF450X : 2005–2010, 2012–2015
  • XR250R : 2000, 2002–2004
  • XR400R : 1997
  • XR650R : 2001

Husqvarna Models

  • CR125 : 1998–2004, 2006–2009, 2012
  • CR250 : 1999–2002
  • SM610 : 2008–2009
  • SM610S : 2000, 2002
  • SMR450 : 2003–2005, 2008
  • SMR510 : 2005–2008
  • TC 250 : 2002–2012
  • TC 250R : 2013
  • TC 450 : 2002, 2004–2010
  • TC 510 : 2005–2009
  • TC 570 : 2001
  • TC 610 : 1998–2000
  • TE 250 : 2011
  • TE 400 : 2001
  • TE 410 : 1998–1999
  • TE 449 : 2011–2013
  • TE 511 : 2011–2013
  • TE 630 : 2011
  • TE250 : 2002, 2004–2010, 2012
  • TE310 : 2009–2013
  • TE450 : 2002, 2004–2010
  • TE510 : 2006–2010
  • TE570 : 2001–2002
  • TE610 : 1998–2000, 2002, 2007, 2009
  • TE610E Dual Sport : 2006
  • TXC 250 : 2008–2012
  • TXC 449 : 2011
  • TXC 450 : 2008–2010
  • TXC 510 : 2009–2010
  • WR125 : 1998–2002, 2006–2007, 2009–2010, 2012
  • WR250 : 1999–2002, 2006–2012
  • WR300 : 2009–2012
  • WR360 : 1998–2002

Kawasaki Models

  • KLR650 : 1987–2015

Suzuki Models

  • DR350S : 1990–1993
  • DR350SE : 1994–1995

Yamaha Models

  • Banshee 350 : 1989–2006
  • Blaster 200 : 1988–2006
  • DT400 : 1977
  • IT250 : 1977–1980
  • IT400 : 1976–1979
  • IT425 : 1980
  • Raptor 660R : 2001–2005
  • TT500 : 1977–1981
  • Warrior 350 : 1989–2004
  • WR400F : 1998
  • YZ400 : 1977–1979
  • YZ400F : 1998
  • YZ465 : 1980

Product Reviews 1 - 15 of 19

Overall Rating: 4.37 of 5

(19 Reviews)
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What Other Riders Are Saying...

Fit

Quality

Installation

Recommend

Does NOT fit a 2009-2012 Husaberg FE570

This website promises that the products they send will fit the specified motorcycle. Liars! This is now the third time in a row, purchasing different products each time, and the products do not fit! They expect me to pay for shipping back to them for their mistakes. This company does not care about their people. They just want to make a quick dollar. Examples: wrong tire size on their recommendations list (like $50-$60 return shipping, are you kidding me?), this sprocket ($7 return shipping), spark plugs ($7 return shipping) Waist of time and money at this website.

Thomas - September 16, 2016

(Fremont, CA)

Fit

Quality

Installation

Recommend

Great looking sprocket

Great looking sprocket fit perfect on my ninja and sounds nice an quite while giving me alil more grunt. Thanks guys !

Kyle - June 13, 2016

(Springfield, MO)

Fit

Quality

Installation

Recommend

Increasing Torque

I purchased a 45T and a 48T 520 steel rear sprocket for a CRF250L with a stock 40T rear sprocket. Longer chain was required, but I knew that before purchasing. Pricing was reasonable and shipment was fast.

dkappelm - December 16, 2013

(Northern KY, KY)

Fit

Quality

Installation

Recommend

08 KLR 650

Very pleased.

JChad - December 10, 2013

(Manhattan, KS)

Fit

Quality

Installation

Recommend

No Problems. Installed and fit perfectly

Worth it.

Rick - March 23, 2013

(Glen Rock, NJ)

Fit

Quality

Installation

Recommend

Sun Star 520 rear steel sprocket

Steel is always better than stock.

Bob - January 24, 2013

(Everett, WA)

Fit

Quality

Installation

Recommend

It works good, love it

It's a sprocket, and it works well. Buy it, gives me piece of mind and installed with new chain.

Jonathan - November 14, 2012

(Fresno, CA)

Fit

Quality

Installation

Recommend

48 teeth

Installed a 48 teeth to clear AMS paddle tires and the bike came back to life beeing a monster on the dunes !!

Mohd - February 2, 2012

(Dubai, AA)

Fit

Quality

Installation

Recommend

42 Tooth Sprocket for KLR 650

I purchased this sprocket along with a 16 tooth front sprocket and a 520 x-ring chain. This combination works good for me because I commute to and from work. I find that I have lost some of the torque at take off but very nice top end with less vibration and higher speeds at less RPM. I had the 16 tooth with a 43 tooth before and will probably go back to it instead after wearing out this chain and sprocket combo I just purchased.

Eric P. - December 19, 2011

(Benicia, CA)

Fit

Quality

Installation

Recommend

Sunstar 43T sprocket

Excellent product. Manufactured by the same company that provides the Kawasaki Versys OEM sprocket. Selected this steel sprocket because of its durability, and am very pleased. Changing from the stock 46T to 43T has made riding much less frenetic. RPM at 70 mph is now 5000 which seems much more comfortable. First gear is now much more useful as well. I can actually get through an intersection before having to shift!

Robert C. - May 31, 2011

(San Antonio, TX)

Fit

Quality

Installation

Recommend

Sprocket 41

Fast shipping. Works perfect like the original.

JG - December 6, 2010

(T Oaks, CA)

Fit

Quality

Installation

Recommend

Rear Sprocket

Fit good, looks like a quality part.

Richard - September 28, 2010

(Seattle, WA)

Stability

Cornering

Dry Traction

Wet Traction

Tread life

Steel 47 tooth sprocket

I had an aluminum sunstar sprocket that was worn out. replaced it with a steel one with longevity in mind. the aluminum sprocket is considerably lighter, but I am not so concerned with weight. no problems with fit.

Steve B - August 4, 2010

(Edmonds, WA)

Stability

Cornering

Dry Traction

Wet Traction

Tread life

sprockets

the xr600r has a lot of torque it's got to be tough to stand this bike even more so when it does'nt lose traction

franklin - May 24, 2010

(RUTHERFORDTON, NC)

Stability

Cornering

Dry Traction

Wet Traction

Tread life

Got this sprocket for my 2009 Versys

First gear on a stock versys is pretty useless. You have to shift in to second at 10-12 MPH. It is a 15F/46R stock and I bought the sun sprocket 43 tooth and now it goes up to 25mph in first gear no shifting in the middle of intersections

eric - January 5, 2010

(sac, CA)